High-End Gears
Spirit King's ring (reduce cooldown of DD, EG, VS & increase DD & EG damage scaled by your char lvl)
Lunar Rainbow for autocast build
Love Piece, Magical Shadow sets, Spellflow Shadow Sets, Costume MATK%, Hibram Gloves, Antonio's Coat, Medical Scrubs, Heart Wing Hair Band
Magician's Gloves / Perverse Demon Mask for general MDEF Pierce purpose
Chilly Spellbook for more DD damage / Pororoca-La'cryma Stick combo
Mobscarf set
Abyss Dress
Survivor set (circlet, orb, rod, cloak, shoes) MDEF Pierce, Huge Neutral PWave damage boost, huge Wind & Earth Magic damage Boost
Valkyrie Knife / Book of Sun God for autocast Sorc gears & True Celia card weapon host
Arc Elder, True Celia, Nightmare Ancient Mummy, Antonio, Nightmare Verit, Big Ben, Neo Punk, Nightmare Arclouse, Nightmare Mimic, KK, Engkanto, Elvira, Green Cenere, Cards
Fallen Angel Wing with Spell/AD-ASPD Enchants, Heroic Backpack, Flattery Robe with INT enchants, Slotted Temporal INT / DEX Boots or non-slotted with Spell RM enchants & Temporal Ring
Skull Cap-TSOD spell enchants Combo
High Refined Crimson Rod
Gaia, Anemos & Mad Bunny Shield
Illusion Staff of Bordeaux & Illusion Muffler combo for extra EG damage
Celine Brooch+Celine Ribbon Evil Spirit Gloves Combo (Huge Magic Damage boost to Boss Monsters & Autocast spells)
Mid-Low Tier Equipments
Combination of Runaway Chip+Accelerator Chip combo and Magical Booster + Slotted Piercing Staff Combo (MDEF Pierce & MATK Boost)
Mental Stick, Bazerald with spell enchants, Rwc Knife, RWC Accessories, Pendant of Maelstorm, Magic Intensifier Ring, Diabolus Ring, Magician's Night Cap, Magic Eyes
Felrock Cloak, Crown of Deceit, Diabolus Robe, Valk Shield, Immune Shield, Kind Heart+Hurt Mind Combo, Lush Rose, Ninja Scroll, Jinn Marin Balloon, Geffen Magic Robe, Orlean's set (Gown, Server, Gloves, Necklace)
Dark Illusion, Raydric, Scaraba, Weakened Fenrir, Multi-colored Lichtern, Agav, Antique Book, Cenere, Phen, Vitata, Creamy, elemental armor card (pasana, dokebi, bathory, swordfish, etc)
There are more, but too lazy to describe them all.
Now from following roster of items I randomly picked, choose wisely which equipments suit your budget the most. Use Ragial search features for faster price research.
Good Luck.